<!DOCTYPE html>
<meta charset="utf-8">
<title>TestDriver minimize/restore method in popup</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>

<script>
const params = new URLSearchParams(location.search);
const is_popup_page = params.has('popup');
const channel = new BroadcastChannel("testchannel");

if (is_popup_page) {
    onload = async () => {
        window.opener.events.push(document.visibilityState);
        let rect = await test_driver.minimize_window();
        window.opener.events.push(document.visibilityState);
        await test_driver.set_window_rect(rect);
        window.opener.events.push(document.visibilityState);
        channel.postMessage("done");
    };
} else {
    promise_test(async t => {
        let popup;
        onload = () => {
          window.events = [];
          popup = window.open("?popup");
        };

        await new Promise(resolve => {
          channel.addEventListener(
            "message", t.step_func(async (e) => {
              if (e.data === "done") {
                const expectedEvents = ["visible", "hidden", "visible"];
                assert_array_equals(window.events, expectedEvents, 'incorrect event order');
                popup.close();
                resolve();
              }
          }));
        });
  }, `minimize and restore on popup`);
}
</script>
